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NOT RECOMMENDED! It will turn the amp on, and everything may work for the time being, but do not forget, you have WILDLY differing Amperage ratings between a REMOTE/ACC wire and a power distribution wire. The full 12V cable powering your amp will be limited by the fuse you have set next to your battery (for instance 100A). Let's say you draw at Mid-Peak 70A, you'll be sending 70A of power through your Remote Wire into your amp. The Remote/ACC cable is ONLY MEANT to be ran at 0.3A!!!! ZERO POINT THREE AMPS, not 70 or 100 or even 150AMP (for higher end systems). You run the extreme risk of damaging your components and also starting a fire in your car while you are running the amp. I would NOT recommend this unless your insurance covers faulty electrical fire not installed from factory, which I can guarantee you it won't. Yes. As long as it is a switched power source so that the amp shuts-off with the ignition. The remote turn-on wire is usually connected to a dedicated wire from the radio specifically intended for this purpose, and on some older radios you can use the power antenna signal wire, but on most newer units, this wire has no power when using any function other than the tuner.

EDIT: Who ever wrote the above has no idea what they are talking about. You could hook your remote wire directly to the battery and nothing "WILDLY" is going to happen. "Amps" or current draw is only effected by voltage and resistance. The resistance in the remote wire circuit within the amp and the 12vdc voltage from the battery are all that effect the current draw...in his example .3 amps. That number wont change even if a nuclear reactor putting out 12vdc was connected. The only reason you don't want to connect it directly to a fuse is that the amp will never shut off and will drain your battery.

EDIT.. ive used remote wires to the fuse box twice now n both times its blown..im only running a 1800 watt amp n a 12inch.. is it the fuse box causing this or what? help lol

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Q: Can amp remote wire connect to car fuse for power?
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